Based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that ________

A) the universe is expanding B) the universe is in a steady state
C) Earth is in the center of the universe D) the universe is contracting


A

Environmental & Atmospheric Sciences

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What will be an ideal response?

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True or False: All clay-size grains in a clastic sedimentary rock are clay minerals

Indicate whether this statement is true or false.

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